From 7723fb706bda6662d899e733b809fcf3dec45389 Mon Sep 17 00:00:00 2001
From: Yaco <franco@reevo.org>
Date: Sun, 8 Sep 2019 09:45:14 -0300
Subject: agrega extension HideEmptySections

---
 www/wiki/LocalSettings.Reevo.php                   |  6 +++
 .../HideEmptySections/HideEmptySections.php        | 53 ++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 www/wiki/extensions/HideEmptySections/HideEmptySections.php

diff --git a/www/wiki/LocalSettings.Reevo.php b/www/wiki/LocalSettings.Reevo.php
index 31500d96..48510f10 100644
--- a/www/wiki/LocalSettings.Reevo.php
+++ b/www/wiki/LocalSettings.Reevo.php
@@ -131,8 +131,10 @@ $egChameleonExternalStyleModules = [
 	__DIR__ . '/skins/bo/reevo.less' => $wgScriptPath
 	];
 
+
 \Bootstrap\BootstrapManager::getInstance()->addCacheTriggerFile( __DIR__ . '/skins/bo/reevo.less' );
 
+
 $egChameleonExternalLessVariables = [
 	'font-size-base' => '18px',
 	'font-size-large' => '20px',
@@ -336,6 +338,10 @@ $wgCaptchaQuestions = [
 $wgCaptchaTriggers['createaccount'] = true;
 $wgCaptchaTriggers['badlogin']      = true;
 
+## HideEmptySections
+require_once( "$IP/extensions/HideEmptySections/HideEmptySections.php" );
+
+
 
 ###### Extensiones propias
 
diff --git a/www/wiki/extensions/HideEmptySections/HideEmptySections.php b/www/wiki/extensions/HideEmptySections/HideEmptySections.php
new file mode 100644
index 00000000..69d7f10c
--- /dev/null
+++ b/www/wiki/extensions/HideEmptySections/HideEmptySections.php
@@ -0,0 +1,53 @@
+<?php
+ 
+# Hide Empty Sections MediaWiki Extension
+# Created by Vivek R. Shivaprabhu (vivekrs.rsv@gmail.com)
+ 
+if ( !defined( 'MEDIAWIKI' ) ) {
+	die( 'This file is a MediaWiki extension, it is not a valid entry point' );
+}
+ 
+global $wgHooks;
+global $wgExtensionCredits;
+ 
+$wgExtensionCredits['parserhook'][] = array(
+	'name' => 'Hide Empty Sections',
+	'type' => 'hook',
+	'author' => 'Vivek R. Shivaprabhu (vivekrs.rsv@gmail.com)',
+	'version' => '1.0',
+	'update' => '03-05-2009',
+        'url' => 'http://www.mediawiki.org/wiki/Extension:Hide_Empty_Sections',
+	'description' => 'Hide sections that do not have any text in it.',
+);
+ 
+$wgHooks['ParserAfterStrip'][] = 'fnHideEmptySections';
+
+function fnHideEmptySections( &$parser, &$text, &$strip_state ) {
+	global $action; // Access the global "action" variable
+	// Only do the replacement if the action is not edit or history
+	if(
+		$action !== 'edit'
+		&& $action !== 'history'
+		&& $action !== 'delete'
+		&& $action !== 'watch'
+		&& strpos( $parser->mTitle->getPrefixedText(), 'Special:' ) === false
+		&& $parser->mTitle->mNamespace !== 8
+	)
+	{
+		$comment_pattern = '/<!--(.|\n)+?-->/';
+		$text = preg_replace ($comment_pattern, '', $text);
+
+		$pattern[] = '/([^=])(====[^=]+?====\s*)+(={2,4}[^=]|$)/';
+		$pattern[] = '/([^=])(===[^=]+?===\s*)+(={2,3}[^=]|$)/';
+		$pattern[] = '/([^=])(==[^=]+?==\s*)+(==[^=]|$)/';
+		$replace = '\1\3';
+		$text = trim ( preg_replace ($pattern, $replace, ' ' . $text) );
+	}
+
+	while ( preg_match ('/\n\s*\n\s*\n/', $text ) )
+	{
+		$text = preg_replace ( '/\n\s*\n\s*\n/', "\n\n", $text );
+	}
+
+	return true;
+}
-- 
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